12-letter words containing a, m, u, r
- vacuum servo — a servomechanism that is operated by the lowering of pressure in the intake duct of an internal-combustion engine
- vellum paper — a creamy coloured heavy paper resembling vellum
- verumontanum — an elevation in the wall of the urethra
- voluntaryism — voluntarism (def 2).
- warehouseman — a person who stores goods for others for pay.
- warehousemen — Irregular plural form of warehouseman.
- warmer-upper — something that provides one with invigorating warmth: Hot soup is a good warmer-upper after skiing.
- wild mustard — any of several weedy plants belonging to the genus Brassica, of the mustard family, as charlock.
- williamsburg — a city in SE Virginia: colonial capital of Virginia; now restored to its original pre-Revolutionary style.
- wing formula — a numerical representation of the relative lengths of the primary feathers of a bird's wing, used in identifying similar species, as flycatchers.
- world-famous — famous throughout the world: a world-famous film.
- yamoussoukro — a republic in W Africa: formerly part of French West Africa; gained independence 1960. 127,520 sq. mi. (330,275 sq. km). Capital: Abidjan.
- yogurt-maker — a machine for making yogurt
- your-majesty — regal, lofty, or stately dignity; imposing character; grandeur: majesty of bearing; the majesty of Chartres.
- zebra mussel — a small striped freshwater mussel from NE Europe, Dreissena polymorpha: introduced to the Great Lakes in the 1980s and deleteriously affecting water pipes, other fauna, etc.